JP2015051225A - Portable type x-ray apparatus - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a portable type X-ray apparatus comprising a touch panel capable of changing a direction of a screen to be displayed, according to a direction desired by an operator.SOLUTION: An acceleration sensor detects gravitational acceleration when an operator tilts an LCD touch panel 46. A tilt determination unit determines a direction of the LCD touch panel 46 from a detection signal of the acceleration sensor. A display control unit determines a rotation direction of a display screen and changes a display direction of the screen, in order to make the LCD touch panel 46 display an image or character whose downward direction is the tilt direction determined by the tilt determination unit.

Description

  The present invention includes an apparatus main body having a moving mechanism, an X-ray tube, and an X-ray detector that detects X-rays irradiated from the X-ray tube and passed through the subject, and the subject is seen or photographed. The present invention relates to a medical mobile X-ray apparatus.

  As this type of mobile X-ray apparatus, there is, for example, what is called a surgical X-ray apparatus that is carried into an operating room and used. Such a mobile X-ray apparatus includes an X-ray tube, a flat panel detector (FPD) that detects X-rays irradiated from the X-ray tube and passed through a subject, an image intensifier (II), and the like. And an X-ray detector having an X-ray detector, and a substantially C-shaped C-arm having an arc shape and supporting the X-ray tube and the X-ray detector. The C-arm is supported so as to be rotatable about an axis that is oriented in the horizontal direction with respect to the apparatus main body, and the apparatus main body is configured to be movable with a caster attached to the lower part (Patent Document 1). reference).

  In such a mobile X-ray apparatus, an X-ray fluoroscopic image or an X-ray image is displayed on a separate monitor provided separately from the apparatus main body or an LCD touch panel provided on the apparatus main body ( Patent Document 2).

JP 2007-267788 A JP-A-11-299766

  By the way, in the conventional mobile X-ray apparatus as described above, the LCD touch panel provided in the apparatus main body performs operations such as X-ray irradiation conditions and positioning of the C-arm in addition to the fluoroscopic image or the photographed image. The operation switch to be input is displayed. The LCD touch panel is placed in a predetermined position on the main body of the apparatus, and with respect to the screen display, the display of the operation switch or the like is an upright image when the operator views the LCD touch panel from a certain direction. It is fixed to.

  For this reason, depending on the operator's standing position, the information displayed on the LCD touch panel, such as the operation switch, may be an inverted image or a 90 ° rotated image, so that the information displayed on the screen can be interpreted. The problem that it is difficult to occur may occur. In addition, since the LCD touch panel is fitted on the upper flat surface of the main body of the device which is parallel to the floor surface, when an operator operates the operation switch of the LCD touch panel, information such as the operation switch can be easily read. You have to move to a different position and look into the LCD touch panel. For this reason, the problem that operativity falls may arise.

  The present invention has been made to solve the above-described problem, and provides a mobile X-ray apparatus including a touch panel that can change the screen orientation according to a direction desired by an operator. The purpose is to do.

  The invention according to claim 1 is an apparatus main body provided with a moving mechanism, an X-ray tube supported by the apparatus main body via a support member, and an X-ray irradiated from the X-ray tube and passing through a subject. And an X-ray detector for detecting X-ray detectors, which are arranged so as to be tiltable with respect to the main body of the apparatus and display X-ray images and are required for fluoroscopy or radiography. A touch panel for displaying operation items to be detected, a detecting unit for detecting the tilt of the touch panel, a display control unit for changing a display direction of the screen of the touch panel according to the tilt of the touch panel detected by the detecting unit, It is characterized by providing.

  According to a second aspect of the present invention, in the first aspect of the present invention, the touch panel is disposed so as to be tiltable with respect to the apparatus main body by a universal joint.

  According to a third aspect of the present invention, in the first or second aspect of the present invention, the detection means is an acceleration sensor.

  According to the first aspect of the present invention, since the display control unit that changes the display direction of the touch panel screen according to the tilt of the touch panel is provided, the tilt is performed when the operator tilts the touch panel in a desired direction. It is possible to display on the touch panel characters and images that are erect images when viewed from the right direction. Thereby, the operator can easily interpret the information displayed on the touch panel.

  According to the invention described in claim 2, since the touch panel is disposed so as to be tiltable with respect to the apparatus main body by the universal joint, the operator can easily point the touch panel in a desired direction. .

  According to the third aspect of the present invention, it is possible to easily obtain information on the tilt direction and angle of the touch panel by adopting the acceleration sensor as the detecting means.

1 is a perspective view of a mobile X-ray apparatus according to the present invention. 1 is a side view of a mobile X-ray apparatus according to the present invention. 3 is a schematic diagram of an LCD touch panel 46. FIG. It is a block diagram which shows the control system of a mobile X-ray apparatus. It is a schematic diagram explaining the relationship between the inclination of the LCD touch panel 46, and the direction of a display screen. It is a perspective view of the mobile X-ray apparatus which concerns on 2nd Embodiment of this invention.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. FIG. 1 is a perspective view of a mobile X-ray apparatus according to the present invention, and FIG. 2 is a side view thereof.

  This mobile X-ray apparatus is a surgical X-ray apparatus that is used by being moved to an operating room in order to perform X-ray fluoroscopy or radiography when performing a surgical operation. The mobile X-ray apparatus is irradiated from the apparatus main body 40, an X-ray irradiation unit 31 having an X-ray tube and a collimator that defines an X-ray irradiation field irradiated from the X-ray tube, and the X-ray tube. An image intensifier (II) as an X-ray detector for detecting X-rays passing through a subject lying on the operating table and a camera for taking an image detected by the image intensifier An X-ray detection unit 32 and a C-type arm 33 that supports the X-ray irradiation unit 31 and the X-ray detection unit 32 are provided.

  The apparatus main body 40 has a carriage-like structure, and a pair of left and right front wheels 41 that are direction-changing wheels constituting a moving mechanism, and a pair of left and right rear wheels 42 that are drive wheels that are rotated by driving a motor (not shown). And a handle 43 for operating the traveling direction of the apparatus. In the apparatus main body 40, there are provided an arithmetic unit and a storage device that receive an operation input from an LCD touch panel 46, which will be described later, and perform apparatus control for executing X-ray fluoroscopy or imaging under designated conditions.

  The C-type arm 33 has an arcuate shape, and the X-ray axis extending from the X-ray irradiation unit 31 to the X-ray detection unit 32 passes through the X-ray irradiation unit 31 and the X-ray detection unit 32. It supports in the state which corresponds to the diameter of 33 circular arcs. The C-arm 33 is supported so as to be slidable with respect to the support portion 34. The support unit 34 is disposed in the apparatus main body 40, and the support unit 34, together with the C-shaped arm 33 and the like, is centered on an axis orthogonal to the X-ray axis extending from the X-ray irradiation unit 31 to the X-ray detection unit 32. It is connected to a turning part 35 for turning.

  Further, an LCD touch panel 46 is tiltably disposed on the upper surface portion of the apparatus main body 40 on which the turning portion 35 is disposed. The LCD touch panel 46 displays a plurality of operation switches indicating operation items required for X-ray fluoroscopy or radiography, X-ray fluoroscopic images, radiographed images, and the like.

  FIG. 3 is a schematic view around the LCD touch panel 46.

  In this embodiment, the ball receiving member 51 fixed to the structural frame in the apparatus main body 40 and the spherical recess of the ball receiving member 51 are fitted between the LCD touch panel 46 and the structural frame in the apparatus main body 40. A joint (ball joint) 54 including a shaft-like body 53 configured integrally with the spherical portion is provided. The LCD touch panel 46 is fixed to the shaft 53 through a frame 55. Therefore, the LCD touch panel 46 is supported so as to be tiltable with respect to the apparatus main body 40 by fitting the spherical concave portion of the ball receiving member 51 and the spherical portion of the shaft-like body 53. The joint structure between the LCD touch panel 46 and the structural frame in the apparatus main body 40 is preferably a universal joint, but is not limited to the ball joint as the universal joint of this embodiment. The joint 46 may be a joint that can be tilted at least in the front-rear and left-right directions when viewed from the handle 43 side.

  The shaft 53 is provided with an acceleration sensor 57 that detects gravitational acceleration when the LCD touch panel 46 is tilted by the operator. In this embodiment, the acceleration sensor 57 is disposed on the member constituting the joint. However, the acceleration sensor 57 is limited to this position as long as the information necessary for detecting the tilt of the LCD touch panel 46 can be obtained. Not. For example, the LCD touch panel 46 may be disposed on the back surface or inside.

  FIG. 4 is a block diagram for explaining the main control system of the mobile X-ray apparatus according to the present invention.

  The mobile X-ray apparatus includes a control unit 60 that controls the operation of the entire apparatus. The control unit 60 is connected to the X-ray irradiation unit 31, the X-ray detection unit 32, the acceleration sensor 57, and the LCD touch panel 46, and operates this device by an arithmetic device, a storage device, and a peripheral circuit installed in the device main body 40. Implement various functions. As a functional configuration, the control unit 60 is based on a fluoroscopy / imaging control unit 61 that controls a voltage applied to the X-ray tube according to selected fluoroscopy or imaging conditions, and an X-ray detection signal from the X-ray detection unit 32. An image processing unit 62 for creating an image to be displayed on the LCD touch panel 46, a tilt determination unit 63 for determining the tilt of the LCD touch panel 46, and a display to be displayed on the LCD touch panel 46 according to the tilt determined by the tilt determination unit 63 A display control unit 64 that changes the orientation of the screen and a storage unit 65 that stores a fluoroscopic or captured image or the like are provided.

  The relationship between the tilt of the LCD touch panel 46 and the screen display in the mobile X-ray apparatus having the above configuration will be further described. FIG. 5 is a schematic diagram for explaining the relationship between the tilt of the LCD touch panel 46 and the orientation of the display screen. FIG. 5A is a plan view and a side sectional view showing a display screen when the LCD touch panel 46 is tilted in the F direction. FIG. 5B is a plan view and a side sectional view showing a display screen when the LCD touch panel 46 is tilted in the B direction. FIG. 5C is a plan view and a front sectional view showing a display screen when the LCD touch panel 46 is tilted in the L direction. FIG. 5D is a plan view and a front sectional view showing a display screen when the LCD touch panel 46 is tilted in the R direction.

  When the operator tilts the LCD touch panel 46 by pushing the frame of the LCD touch panel 46 by hand, the acceleration sensor 57 detects the gravitational acceleration. The inclination determination unit 63 determines the direction in which the LCD touch panel 46 is inclined from the detection signal of the acceleration sensor 57. The display control unit 64 determines the rotation direction of the display screen and changes the display direction of the screen in order to display on the LCD touch panel 46 images and characters whose inclination direction determined by the inclination determination unit 63 is downward. In other words, the display control unit 64 displays the screen so that the image direction matches the tilt direction of the LCD touch panel 46, and more specifically, the lower end of the image is arranged below the tilt direction of the LCD touch panel 46. Change the display direction of.

  As shown in FIG. 5A, when the LCD touch panel 46 is tilted in the F direction by the operator, an image or a character is displayed so that the tilted F direction is at the bottom of the display screen (upright on the paper). Etc. are displayed on the LCD touch panel 46. As shown in FIG. 5B, when the LCD touch panel 46 is tilted in the B direction by the operator, the tilted B direction is at the bottom of the display screen (from the display of (a) upside down). Images, characters, etc. are displayed on the LCD touch panel 46. As shown in FIG. 5C, when the LCD touch panel 46 is tilted in the L direction by the operator, the tilted L direction is on the lower side of the display screen (rotates 90 degrees to the left from the display in (a)). As described above, images, characters, and the like are displayed on the LCD touch panel 46. As shown in FIG. 5D, when the LCD touch panel 46 is tilted in the R direction by the operator, the tilted R direction is at the bottom of the display screen (rotates 90 degrees to the right from the display in (a)). As described above, images, characters, and the like are displayed on the LCD touch panel 46.

  In this embodiment, since a universal joint is used to connect the structural frame in the apparatus main body 40 and the LCD touch panel 46, the tilt direction of the LCD touch panel 46 by the operator is F, B, It is not limited to the L and R directions. For this reason, the inclination determination unit 63 determines the direction with the largest inclination among the F, B, L, and R directions as the direction in which the operator inclined the LCD touch panel 46 (the direction in which the LCD touch panel 46 is inclined). I am doing so.

  In this embodiment, the acceleration sensor 57 is used as a detecting means for detecting the tilt of the LCD touch panel 46, but the present invention is not limited to this. For example, when a gyro sensor is employed as the detection means, the tilt angle of the LCD touch panel 46 may be calculated from the initial angle at the gyro sensor placement position and the angular velocity acquired by the gyro sensor. Further, the tilt direction and angle of the LCD touch panel 46 may be obtained by a sensor in which the gyro sensor and the acceleration sensor are integrated. Furthermore, a contact sensor such as a switch can be employed as the detection means. In this case, a plurality of contact sensors are provided at predetermined positions (positions corresponding to directions F, B, L, and R in FIG. 5) of the movable area of the LCD touch panel 46 in the frame body of the LCD touch panel 46 and the apparatus main body 40. The tilt direction of the LCD touch panel 46 may be determined depending on which position the contact sensor detects and the contact signal with the LCD touch panel 46 is detected.

  When using such a mobile X-ray apparatus and performing fluoroscopy at the time of surgery, the operator presses the operation switch on the LCD touch panel 46 from a position that does not interfere with the operation of the surgeon (doctor) performing the surgery. The C-arm 33 is operated to slide and rotate. At this time, the operator tilts the LCD touch panel 46 in a direction that is easy to see from the standing position. In the mobile X-ray apparatus according to the present invention, the direction of the display screen of the LCD touch panel 46 is changed according to the direction tilted by the operator, so that the operator can interpret the operation switches and the like from various directions. It becomes easy, and the efficiency of the work concerning the positioning of the X-ray irradiation unit 31 and the X-ray detection unit 32 performed by sliding and rotating the C-arm 33 can be improved.

  Further, when the operator tilts the LCD touch panel 46 in the direction in which the operator is present, a screen whose display direction has been changed according to the tilt direction is displayed on the LCD touch panel 46, so that an upright image is seen from the operator side. It is possible to easily provide a fluoroscopic image to the operator side.

  Next, another embodiment of the present invention will be described. FIG. 6 is a perspective view of a mobile X-ray apparatus according to the second embodiment of the present invention.

  This mobile X-ray apparatus is a round-patient X-ray apparatus for performing imaging while visiting a hospital room. The mobile X-ray apparatus can be moved up and down with respect to a column 71 disposed on a carriage-like device body 70. The arm 75 disposed in the state, the X-ray tube 72 disposed at the tip of the arm 75, the collimator 73 disposed below the X-ray tube 72, and the X-ray tube 72 and the collimator 73 are moved. A handle 74 is provided. In addition, the mobile X-ray apparatus includes a flat panel detector 79 for detecting X-rays that are arranged below the body of the subject and irradiated from the X-ray tube 72 and passed through the subject. A storage section 78 for storing the panel detector 79 is provided.

  Further, the mobile X-ray apparatus includes an LCD touch panel 76 that functions in the same manner as the LCD touch panel 46 in the above-described embodiment, a pair of left and right front wheels 81 that are wheels for changing directions, and a pair of left and right that are wheels for driving. A rear wheel 82 and a handle 80 for operating the traveling direction of the apparatus are provided. On the LCD touch panel 76, an operation switch for selecting an imaging condition and the like, an X-ray image and the like are displayed.

  In the case of using this mobile X-ray apparatus, the operator places the flat panel detector 79 below the subject, positions the subject, and faces the X-ray tube 72 to the subject. Place it at the position you want. When the positioning of the subject is completed, the operator moves to a position away from the bed on which the subject is placed to avoid exposure, and then the display screen displayed on the LCD touch panel 76 is displayed. Confirm the contents and execute X-ray imaging. At this time, the operator tilts the LCD touch panel 76 in a direction in which the display content is easy to see (a direction toward the user's standing position). Since the display direction of the screen displayed on the LCD touch panel 76 is changed depending on the tilting direction of the LCD touch panel 76, the operator views the erect image as viewed from a position and a direction away from the bed in order to avoid exposure. The operation switch display and the captured image can be viewed.

31 X-ray irradiation unit 32 X-ray detection unit 33 C-arm 34 Support unit 35 Turning unit 40 Main body 41 Front wheel 42 Rear wheel 43 Handle 46 LCD touch panel 51 Ball bearing member 53 Shaft body 54 Joint 55 Frame 57 Acceleration sensor 60 Control Unit 61 Storage unit 63 Detection condition display unit 64 Image acquisition unit 65 Accumulation unit 66 Device detection unit 67 Enlarged display unit 68 Detection condition change unit 70 Device body 71 Support column 72 X-ray tube 73 Collimator 74 Handle 76 LCD touch panel 78 Storage unit 79 Flat Panel detector 80 Handle 81 Front wheel 82 Rear wheel

Claims (3)

An apparatus main body provided with a moving mechanism; an X-ray tube supported by the apparatus main body via a support member; an X-ray detector that detects X-rays irradiated from the X-ray tube and passed through the subject; In a mobile X-ray apparatus comprising:
A touch panel that is tiltably arranged with respect to the apparatus main body, displays an X-ray image, and displays operation items required for X-ray fluoroscopy or imaging;
Detecting means for detecting the tilt of the touch panel;
A display control unit that changes a display direction of the screen of the touch panel according to the inclination of the touch panel detected by the detection unit;
A mobile X-ray apparatus comprising: The mobile X-ray apparatus according to claim 1,
The touch panel is a mobile X-ray apparatus that is disposed so as to be tiltable with respect to the apparatus main body by a universal joint. The mobile X-ray apparatus according to claim 1 or 2,
The mobile X-ray apparatus, wherein the detection means is an acceleration sensor.

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